Kuster is falling in favorability, with 37 percent of New Hampshire Second District seeing her in a negative light. Only 28 percent view her favorably.

"For the most part, we thought that the GOP would easily grab the 1st Congressional District, and meanwhile, Annie Kuster would probably hold on in the 2nd Congressional District," said analyst James Pindell of WMUR Political Scoop. "These numbers flip this thinking on its head."